IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 2 November 2010 (all times are UTC)
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| 02:22 | <alkisg> But I think you need to add some package in the chroot that slows the cpu down, something about power management but I don't remember it
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| 02:25 | <hahlo> alkisg: any documentation somewhere?
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| 02:25 | <alkisg> It's not LTSP specific, so probably in the ubuntu wiki or something
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| 02:26 | <hahlo> I didn't know that client-side is also possible to install something
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| 02:27 | <alkisg> sudo chroot /opt/ltsp/i386 apt-get install package && sudo ltsp-update-image
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| 02:32 | <alkisg> hahlo: on the localxterm, try: cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
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| 02:32 | What do you get?
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| 02:32 | <hahlo> I check
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| 02:34 | performance
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| 02:36 | <alkisg> hahlo: you need to change that to "ondemand"
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| 02:36 | Search for the package that does this. If you don't find it you can put a script that does it, but it's better to find the package.
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| 02:37 | <hahlo> can laptop-mode do that?
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| 02:38 | <alkisg> Hmmm... /etc/init.d/ondemand, package "initscripts"
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| 02:38 | That should already be in the chroot...
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| 02:41 | <hahlo> CPUFreq Utilities: Setting ondemand CPUFreq governor... disabled, governor not available...
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| 02:48 | <alkisg> Check if it still does that with an ubuntu live cd
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| 02:49 | <muppis> hahlo, do you cpufreq-selector from gnome-applets ?
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| 02:52 | <hahlo> no
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| 02:53 | but suddenly fan eased up don't know why didn't notice any diffrence in local xterm
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| 02:53 | <muppis> I use that from cli and as an applet in my laptop, but I don't use this as LTSP client.
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| 02:53 | What is your load history?
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| 02:53 | <hahlo> I check
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| 02:54 | load average:o.40
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| 02:54 | 0.40
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| 02:55 | <alkisg> hahlo: if the fan eased up, try: cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor again to see if the governor changed by some script
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| 02:55 | <hahlo> alkisg: yes now ondemand
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| 02:56 | <alkisg> I think the ondemand script scales it down after 60 seconds (to have a fast boot), maybe for some reason it takes longer for your ltsp client...
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| 02:56 | So anyway if it does that after a few minutes, np then...
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| 02:58 | <hahlo> ok cool I can live with that
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| 03:07 | btw my ltsp-server is desktop machine with nvidia videocard, now using nouveau, any improvment to install nvidia-driver?
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| 03:35 | <alkisg> hahlo: you'll see improvement only on the server, although there's a small possibility that it might cause problems on some clients
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| 03:42 | <muppis> I got NV8500 GT in my headless server.. What overdoze..
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| 03:45 | But what rattrap it is. Server is in attic and I placed trap just in airflow. No rat problem anymore.
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| 06:38 | <muppis> Hope LTSP: Workgroup of Ministry of Education and Culture is suggesting pilot for bookless school.. But I think there is MS 'funding' this pilot.
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| 06:38 | Hope for LTSP..
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| 07:42 | <AndyGraybeal> so backup my image, i just copy /opt/ltsp/i386 correct?
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| 07:43 | <alkisg> Correct (while preserving file attributes)
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| 07:43 | <AndyGraybeal> okay, thank you (cp -p)
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| 07:46 | <hahlo> what about 3d in ltsp noticed that client says direct rendering yes but glxgears runs slow, does it depend client hardware or what?
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| 07:57 | <AndyGraybeal> this command should take care of my backup correct?: sudo cp -Rp ltsp ltsp_backup
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| 07:58 | <muppis> Yes.
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| 07:59 | <AndyGraybeal> thank you muppis :)
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| 07:59 | <muppis> Alternative command what I use is rsync -av ltsp ltsp_backup
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| 07:59 | <AndyGraybeal> aah which is best?
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| 07:59 | <alkisg> hahlo: 3d runs slow over the network
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| 07:59 | <AndyGraybeal> i guess rsync only copies diffs right?
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| 07:59 | <muppis> AndyGraybeal, yes.
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| 08:00 | <alkisg> AndyGraybeal: Right, so it's better if you want to re-sync later on
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| 08:00 | * alkisg just copies the images/i386.img file, much quicker :D | |
| 08:00 | <AndyGraybeal> alkisg: nice :)
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| 08:00 | do you guys run a cron job for that?
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| 08:01 | <alkisg> Cron job? Why? If you want it automated, just put it at the end of ltsp-update-image or whatever else you use when you modify the chroot...
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| 08:01 | <muppis> AndyGraybeal, just keeping in mind installed packages. Everything else is quickly rebuild.
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| 08:03 | <pmatulis> alkisg: ah come on! why not copy over the same file every day? you're boring
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| 08:03 | <muppis> pmatulis :)
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| 08:04 | * alkisg humbly apologizes, I didn't think of that parameter... :D | |
| 08:04 | <AndyGraybeal> alkisg: okay, thank you
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| 08:04 | muppis: thank you too.
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| 08:04 | <muppis> No problem.
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| 08:04 | <alkisg> AndyGraybeal: btw, I use this method when I want to do things at the same time I run other commands:
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| 08:04 | mkdir ~/bin
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| 08:05 | create a ~/bin/ltsp-update-image
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| 08:05 | #!/bin/sh
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| 08:05 | /usr/sbin/ltsp-update-image && backup chroot
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| 08:05 | This way when I run ltsp-update-image the backup also runs, and I don't need to worry about ltsp upgrades / dist-upgrades etc
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| 08:08 | (~/bin gets first in the PATH if it exists when the user logs in)
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| 08:09 | <AndyGraybeal> alkisg: interesting.
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| 08:11 | is backup a program or a script?
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| 08:11 | && backup chroot
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| 08:11 | <alkisg> Whatever you want, I don't do backups, I just gave an example...
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| 08:11 | <AndyGraybeal> ah yes, yes, thank you
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| 08:11 | <alkisg> You could put this in its place: ltsp-update-image "$@" && rsync -av /opt/ltsp/i386 /opt/ltsp-backup/
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| 08:12 | <pmatulis> real men don't do backups
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| 08:12 | <AndyGraybeal> yes, i understand, i'm sorry i just needed a little clarification
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| 08:12 | * alkisg does a lot of backups for /home though :D | |
| 08:12 | <AndyGraybeal> "$@" <-- i'm not familiar with this
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| 08:12 | i run backups every night :)
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| 08:12 | eventually i want to run zfs and do snapshots :)
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| 08:12 | well.. LVM snaps too.. but i'm not there yet.
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| 08:12 | <alkisg> That means "pass to /usr/sbin/ltsp-update-image all parameters that were passed to ~/bin/ltsp-update-image", like e.g. --arch fat-i386
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| 08:13 | <AndyGraybeal> aah okay
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| 08:13 | * alkisg wants to run fat clients based on zfs snapshots :D | |
| 08:13 | <mgariepy> good morning everyone
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| 08:14 | <alkisg> Good morning mgariepy
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| 08:14 | <pmatulis> morning
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| 08:15 | <AndyGraybeal> alkisg: zfs seems awesome, i haven't been able to wrap my head around the zones, containers, datasets, and all that..
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| 08:16 | i think i'm going to need to cozy up with a book one weekend for it
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| 08:17 | but i really like the ACL's.
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| 09:24 | <AndyGraybeal> i'm installing nrpe-nagios-server onto my clients, as well as apcupsd
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| 09:30 | <highvoltage> good morning!
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| 09:33 | <mgariepy> morning highvoltage
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| 09:37 | <highvoltage> mgariepy: can't stay away from IRC on your day off? :)
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| 09:54 | <Gadi> mgariepy: did you spread the news about remoteapps?
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| 09:55 | <Kyle__> What news about remote apps?
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| 09:56 | <Gadi> Kyle__: one of the things mgariepy and I hacked up over the weekend at BTS was a working remoteapps implementation
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| 09:56 | so you could run local firefox and have openoffice links open the doc on the server
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| 09:56 | for example
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| 09:58 | should also make it easy for folks running fat clients to choose to have some apps open remotely, too (should that be desired)
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| 10:02 | * alkisg thinks that would be handy for gnome-about-me on fat clients ;) | |
| 10:02 | <alkisg> (i.e. to enable the users to change their passwords and other info)
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| 10:07 | !xauthority
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| 10:07 | <ltspbot> alkisg: "xauthority" :: to access the client X session from a local root shell, try: eval $(tr '\0' '\n' < /proc/$(pidof -s ldm gdm-simple-greeter gnome-session | cut -d' ' -f1)/environ | egrep '^DISPLAY=|^XAUTHORITY=') && export DISPLAY XAUTHORITY
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| 10:27 | <Gadi> alkisg: actually, what sbalneav is working on should fix that - he's got a pam-sshauth module in the works
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| 10:50 | <Gieltjev> Hi
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| 11:16 | <Uzzi> I've problems booting old pc that has not PXE lan boot
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| 11:18 | I'm using eb-5.4.4-rtl8139.zlilo but It doesn't find dhcp server
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| 11:22 | <Uzzi> I've problems booting old pc that has not PXE lan boot. I'm using eb-5.4.4-rtl8139.zlilo but It doesn't find dhcp server
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| 11:23 | the same with gpxe
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| 11:25 | <Gadi> Uzzi: do you get the DHCP.....\
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| 11:25 | <alkisg> !gpxe
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| 11:25 | <ltspbot> alkisg: "gpxe" :: the successor to etherboot (http://etherboot.org). To download bootable floppy, cd, usb, kernel etc images, visit http://rom-o-matic.net/
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| 11:26 | <alkisg> Uzzi: use gpxe instead of the older etherboot versions
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| 11:26 | Booting from etherboot (.nbi images) is broken in recent Ubuntu versions, and maybe in other distros too
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| 11:26 | Uh sorry
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| 11:26 | I didn't read all the lines :D
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| 11:27 | <Uzzi> alkisg, with gpxe and debian server it doesn't find dhcp server! a laptop on the same network cable works fine
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| 11:27 | <alkisg> Which gpxe version?
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| 11:28 | <Uzzi> gpxe-0.9.5
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| 11:28 | <alkisg> Gadi: nice, pam-sshauth will be much appreciated!
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| 11:28 | Uzzi: can you try with specifically 1.0?
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| 11:28 | 0.9.5 is too old...
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| 11:28 | (and I've been experiencing problems with 1.0.1 ...)
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| 11:32 | <Uzzi> alkisg, http://rom-o-matic.net/gpxe/gpxe-1.0.0/contrib/rom-o-matic/ this?
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| 11:32 | <alkisg> Uzzi: yes
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| 11:33 | <Uzzi> ok I try with this gpxe-1.0.0-gpxe.dsk
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| 11:40 | <Uzzi> alkisg, tftp://0.0.0.0/ecc ecc than doesn't find pxelinux.0
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| 11:41 | <alkisg> Uzzi: press ctrl+B to get a command line in gpxe,
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| 11:41 | then run: dhcp net0
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| 11:41 | then: config
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| 11:41 | <alkisg> And see the dhcp info it receives, and check if it is correct or not
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| 11:43 | <_UsUrPeR_> hey all.
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| 11:43 | <Uzzi> root-path it's ok
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| 11:44 | <_UsUrPeR_> ...so I got Fedora 13 working with LTSP, but I seem to be having a really big problem with X. The taskbar does not populate with open windows, and there is no border around open windows.
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| 11:46 | <alkisg> Uzzi: boot filename? next-server?
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| 11:47 | <Uzzi> /opt/i386 ecc ecc
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| 11:48 | next-server empty
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| 11:49 | <alkisg> Uzzi: then you need to fix your dhcp server?
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| 11:49 | Put next-server in dhcpd.conf
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| 11:50 | Also, is really boot filename supposed to be /opt/ltsp/i386.. etc? Are you exporting the whole / with tftp?
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| 11:51 | Check /usr/share/doc/ltsp-server/examples/dhcpd.conf for a sample dhcpd.conf, I think it exists in Debian too (using Ubuntu here)
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| 11:55 | <Uzzi> alkisg, Thanks now works fine!!!!!
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| 11:55 | <alkisg> Nice :)
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| 14:31 | <vagrantc> sbalneav: y'all gorged on lobster?
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| 14:32 | ready to hibernate for the winter?
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| 14:55 | <highvoltage> vagrantc: why didn't you attend!?
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| 14:56 | <vagrantc> highvoltage: it's on the other side of the continent, and i burned too much vacation time recently
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| 14:57 | <highvoltage> ah
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| 14:58 | <vagrantc> it's percolated in the back of my mind to host another pdx hackfest, though
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| 14:58 | not sure when would be good
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